David Elkind

David Elkind (11 March 1931-) is an American child psychologist who is known for his elaboration on Jean Piaget's concept of formal operational thought.

Biography
David Elkind was born in 1931 to a Jewish family, and he was raised in California. He studied at UCLA and became a doctor in philosophy in 1955, and he went on to become a longtime professor at Tufts University. He elaborated on the idea of formal operational thought, claiming that adolescent egocentrism includes an "imaginary audience" (the feeling that everyone is watching them) and the "personal fable" (the feeling that you are so unique and special nothing bad can happen to you).